Alert archive / Ohio / Frost Advisories in 2008
Frost Advisory 1, NWS Charleston, WV
NWS Charleston, WV issued this frost advisory at Apr 29, 2008, 9:33 PM EDT for McDowell County, Wyoming County, West Virginia; 5 counties in Ohio; 4 counties in Kentucky. It took effect at Apr 30, 2008, 3:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2008, 9:33 PM EDT (01:33 UTC)
- In effect from
- Apr 30, 2008, 3:00 AM EDT
- Expired
- Apr 30, 2008, 9:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Charleston, WV
Counties Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Athens County, OH, Jackson County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, McDowell County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 67 km from the middle of the area, began a volume at 01:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.6 hours before the alert went out and 274 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1965 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Ohio, 2008Frost Advisories in Kentucky, 2008Frost Advisories in West Virginia, 2008Every frost advisory in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.